package io;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/*
读取文本数据
 */
public class ReadStringDemo {
    public static void main(String[] args) throws IOException {
//        File file = new File("txt0.txt");
//        FileInputStream fis=new FileInputStream("txt0.txt");
//
//        byte[] data = new  byte[(int)file.length()];
//        fis.read(data);
//        String line = new String(data, StandardCharsets.UTF_8);
//        System.out.println(line);
//        fis.close();

        File file = new File("txt0.txt");
        FileInputStream fis = new FileInputStream("txt0.txt");
        byte []arr=new byte[(int)file.length()];
        fis.read(arr);
        String str=new String(arr,StandardCharsets.UTF_8);
        System.out.println(str);
        fis.close();

    }
}
